Core splicing machine



Aug. 1, 1933. E. w. BEBIE CORE SPLIUING MACHINE Filed Aug. 8, 1950 4 Sheets-Sheet 1 R m M m a? ww Aug. 1, 1933. E. w. BEBIE CORE SPLICING MACHINE Filed Aug. 8, 1930 4 Sheets-Sheet 2 E INVENTOR. J XKM irromwzm,

Aug. 1, 1933. v E, w 353 1,920,343

CORE SPLICING MACHINE Filed Aug. 8, 1930 4 Sheets-Sheet 4 INVEN TOR.

i :m MWW ATTORNEKJ,

Patented Aug. 1, 1933 UNI ns res TENTOFFICE CORESPLIGING MACHINE Edwin w. Bebie, Hawthorne, N.'J., assigno'r'to International Paper Company, a

of New York- Corporation Application August 8, 1930. serialiNo. 473,804

This invention relates to the splicing of hollow cores, and particularly those which are adapted to have Wound upon them the paper web or less inthickness, and are cut from longer lengths to the difierent'sizes required for the different Widths of paper to bewound upon them, and

. in the cutting of these lengths'to size, there is "considerable waste in the sections left after the cutting, whichare too shortfor use.

It is the object of the present invention to make use of theseshort waste lengths orcore ..,se'ctions, by splicing or connecting them'together' With these and other objects in View, the in vention consists of the" improved methodand the apparatus for carrying said method into eiiect, in which, sections of hollow cores are noted on at theirends so as to enlarge the end of the boreof one section, and reduce the diameter of the end of the section to be connected,

thereby adapting the reduced end of one section:

to be fitted into the "enlarged bore'of the other section, so as to effect the connection of the two and in the application of the invention in the lengthening of cores which have already been equipped with 'core caps, and without the necessity of removing the caps, the capped core is -.first severed transversely, and a third core sec- .tions may be connected into a unitary core;

structure of increasedlength I In the specification to follow,-the invention will be describedin detail. and the novel i'ea core section B at its end, whereby the diameter tion is provided, and the ends of the several i sections are shaped to enable them to be inter-- fitted as above explained, so'that by applying adhesive to the interfitting ends, the several sectures thereof will be pointed out in the appended claims. J l

In the accompanying drawings:+

machine having the invention embodied therein;

Fig, 2 is a plan View of the same viewed from the right in Fig. 1;

Fig. 1 is a front elevation .ofa core splicing;

Fig. 4-is avertieal transverse sectional elevation on'the line 4 4 of Fig-. 1} l P v Fig. 5 isa longitudinal section'of two core section's, showing the sameafter being operated on by the improved-machine, to adapt them to. be connected together; i

Fig. 6 is an elevation of the completed spliced core structure; r

. Fig. 7 is anelevation of a capped core, which is to be lengthened in accordance with the invention, without removing the caps I Fig. 8 isa'longitudinal section through the severed sections "of the ,core' of Fig. 7, and through the'intermediate core section which is to be set in between the severed sections,show ing the adjacent ends of said sections after being operated on by the machine, to adapt them to be connected into a unitary lengthened core structure; and

Fig. 9 is an elevation'oi the completed lengthened core structure after the separated sections of Fig. 8 are connected together.

Referring to the drawings:

The improved machine comprises as its main features, two rotary cutters 1 and 2 (the cutter l for making the} out in'the bore of one core section to enlarge saidbore locally, and the cutter-' 2 for making the cut in' the exterior of another core section to reduce the diameter of said core'section locally); a slide -3 associated with the cutter 1, and on which one core section is supported and rotated and fedtransversely of the cutter after being seated at its end around the cutter so as to'surround the same; anda slide associated with the cutter 2, and on which another core section, that to be connected to the first, is supported; and rotated and 'fed transversely against the cutter, 'after first being positioned with its 'end in trans verse alinement with the cutter.

By the operation of this mechanism-on two hollow core sections A and B, as shown in Fig. 1, which areto be spliced or connected to gether, an internal recess 5, see Fig. 5,Will be formed in the end of core section A, whereby the bore "ofsaid section will be enlarged locally, and an external recess 6 will beformed in the of saidsection will be reduced locally, the effect being to form a mortise in the end of one sec-. tion and a tenon on the end of the other section toseat in the mortise. A suitable adhesive is now applied to the mortise and tenon, and the latterseated tightly in the former, with the result that'the two sections will be connected ing arms 34 downwardly on the shaft 35 as an axis.

Such movement of the pulley 33 is effected by a foot operated mechanism of a form and arrangement which will actuate the pulley 33 to,

rotate the driving rolls 26 and 27 and simultaneously actuate means to press the core down on said driving rolls to cause the core-to be rotated This mechanism comprises a horizontal lever upwardly, the pulley will be raised and the belt slackened. The lever 41 is depressed by means of a foot lever 42 pivoted at its rear end, as at 43, to the base plate of the machine frame at its rear, and having connected to it near its front end, a vertical link 44, whose upper end is pivoted to the lever 41 near its front end. The

lever 41 is raised after the release of the pres- -sure .on the foot lever, by means of a spring 45 Y connected at its lower end to the lever 41 .near

its forward end, and connected at its upper end to the machine frame. A vertical link 46 is pivoted at its lower end to the forward end of :the lever 41. and extends at its upper end loosely through a horizontal plate 47 and has connected to its upperextremity a plate 48 extending parallel with the plate 47, and a spring 49 surrounds the rod 46 and bears at its ends respectively --:against said plates, the purpose of which con- "structionwill presently appear. Arms 50, 50 of an inverted U-shaped frame pass loosely through the plate 48 and are fixed at their lower ends to the plate 47, which frame is pivotally g-connected at its upper end to the forward extension 52 of a yoke frame 53 extending above .the core supporting rolls 26 and2'7, and pivoted at its rear end, as at 54, to a standard 55 extending upwardly from the frame plate 9 at its rear.

From the construction described, it will be understood that the belttightener pulley 33 will be held normally by the spring 45, in its upper :;position, with the belt 31 slack, in which position of the. parts, the yoke frame 53 will be in its upper position, holding the roller 56 spaced sufficiently above the rollers 26 and 2'7 to admit of the insertionbetween them of the core sec- 60 :tion B. On the depression of the foot lever, the pulley 33 will be moved downwardly and the belt thereby tightened, whereby the rolls 26 and27 will be caused to rotate, and simultaneously the core presser roller 56 will be moved down, and engaging the core will press the same in driving engagementwith the rolls 26 and 2'7, and the rotating motion of these rolls will betransmitted to the core. V

In the operation of the mechanism sofar dethereon, it is assumed that the foot lever is in its upper position with. the pulley 33 raised and 41, whose rear end is forked, and the forked end connected fixedly with the upper ends of the two lever is maintained to thus rotate the positioned scribed, for the purpose of forming the external recess 6 in the core section to form a tenonthe belt loose, and consequently thesupporting [5 rolls 26 and 27 at rest, and the, core presser" roller 56 will be raised. Hand lever 19 will be in its upper position, and consequently slide 4 will be'in its rear orretracted position engaging at its rear end with the rear stop screw 23. The core section to be operated on is now placed between the supporting rolls and presser roller, and its end-is passed over the centering and positioning roller 29, thereby positioning the end portion of the core-in transverse alinement with the cutter 2, whereupon the foot lever 42 is pressed down. As a result, pulley 33 will be lowered against the belt and the latter tightened, and the rotary motion of the constantly rotating pulley will be thus transmitted to the rolls 26 and 27, and presser roller 56 is moved downwardly and will act to force and hold the core section in driving engagement with the rolls 26 and 2'7, whereby the core section will be rapidly rotated. While the pressure on the foot core section, hand lever 19 is depressed and the slide 4 is fed forwardly, thereby forcing the supported end of the rotating core section laterally against the rotary cutter, and the feed of the slide is continued until itv brings up against the front stop screw 24, which. is so adjusted that the feeding movement of the slide will not be arrested until the, cutterhas. eaten to the proper extent. in the core section, and an external recess of the proper depth has been made. When the forward feed of the slide has been thus arrested,,and vthe external recess in the core section completed, hand lever 19 is raised to return the slide to its former position, with the core out of engagement with the cutter, and simultaneously the foot lever is. released, whereupon spring 45 will lift the lever 41, the motion of the supporting rolls 26 and 27 will be arrested, and the presser roller 56 will be raised and will release the finished core. The latter is now removed from the machine, and 7 another core section whose end is to have an external recess cut therein, is placed in position in the machine, and the foregoing operations are repeated.

In the action of the parts as above described, the presser roller 56 is forced against the supported 'coresection with a yielding pressure, due to the yielding spring connection between therod 46 and the yoke frame 53 carrying the pres- W ser roller, the said connection being constituted 5' by the relatively movable plates 48 and 4'? connected respectively with the rod 46 and exten sion 52 of the yoke frame, and the spring 49 interposed between said plates, and insuring the proper relative operation andmovement of the presser roller and belt tightener pulley under the control of the common operating mechanism for these parts.

The mechanism described by which'the' external out or recess is made in the core section so as to form the tenon thereon, is located on the right hand side of the machine frame, as viewed in Fig. 1, and the -mechanism for formingthe' recess in the interior of the core section which is to be connected with the other section, is- -lo-' cated at the left hand side of the machine frame, and this mechanism is, in its detailed form and method of operation, the same as that described, except that instead of the 'core section beingsupported so that its axis is ofiset'145 relative to the axis of r the cutter, as in the case previously described, it is supported in axial alinement with the cutter, so that'the end of the core section may be passed over the cutter and then fed laterally to force the cutter to 'cut' stop 62.

tion' to the cutter that a core section A supported same,

wheel 6'7 on the shaft 35.

into the interior thereof, and thus enlarge the bore of the core section to form a mortise to receive the tenoni. on the other section.

As best shown in'Fig. 1, the slide 3 is movable ,on the top frame plate between guides 5'? by on said rolls 63' and 64, will have its axis coincident with-the axis of the cutter, and consequently, the end of said core section may be passed over the cutter so as to.:surround the The supporting rolls 63 and 64 are driven by a belt 65 passing around reduced portions of said rolls, and around an idler'pulley 66, and

around a belt tightener pulley GIcarried by an ,axle or shaft journalled in the ends. of swinging arms 68, pivotally mounted on the shaft 35,

the said pulley 67 being driven by a sprocket Wheel 67 011 the axlev of said pulley, which sprocket wheel is engaged by a sprocket chain 67 receiving its motion from a small sprocket The core section is pressed down intosdriving engagement with the rolls by a press'er roller 69 mounted in a yoke frame 70 which is operated in coordination with the belt tightener pulley, by a foot lever mecha- 'nism comprising a foot lever '71, a lever '72 connected thereto by a link 73, and connected also to theswinging arms 68,. a link 73? connected with the lever 72 and connected through the medium of a yielding connection 74 similar in its "detailed form to. that previously described, to

an extension 76 on the yoke frame 70.

The parts just described are identically the same in form and operation, except in the particulars mentioned as to the changed relation of the cutter and core section supporting rolls,

as the corresponding parts in the mechanism at the right of the machine and as first described; and in the operation, of this mechanism in forming a cut inthe interior of, a core section "to form a mortise therein, the core sectionto be operated on, is, (assuming that the belt tightener pulley 67 is raised,jthe belt 68 slack, the rolls 63 and 64 at rest, the presser roller 69 raised, and, the hand lever 58 raised with the slide 3 in retracted position) inserted between the rolls 63 and 64, and the presser roller, and the end of the core is positioned overthe cutter so as to'surround said cutter, in which position ,the side of the core where it surrounds the cutter, will bear against an abutment 77 formed with an abutting surface curved inwardly to correspond-with a curvatureon the exterior of the core, and carried onzthe end of-a bracket arm .78 fixed to and extending upwardly from the 'top slide 4. The core being thus positioned, foot lever 71 is depressed, causing the supporting rolls 63 and 64 .to'be rotated, and the presser roller 69 to be lowered, so as to force the core section into driving engagement with the rotating supporting rolls, and thereby cause the bore section to be rapidly rotated. The hand lever is now depressed and the slide 3 fed forwardly, with the result that the end of the core section supported atthe back by the abutment 7'7, will be moved transversely of the cutter, and

the interior of the bore of the core will be engaged with the cutter, whereby a recess will be cut into said core and the bore thereof enlarged to form a mortise, the abutment 77 during this operation giving firm external support to that portion of the core against which the interiorly acting cutter operates. The front stop is adjusted to arrest the forward feed of the slide when the cutter has cut to the proper depth in the core, and on the completion of the opera-- tion, the hand lever 58 is raised to retract the slide so as to move the core out of engagement with the cutter, and the foot lever is relieved of pressure, with the result that the rotation of the supporting rolls will cease, the presser roller will be moved upwardly, and the finished core released, whereupon it may be removed from the machine and another one set in place,

and the foregoing operations repeated.

While in the foregoing description and accompanying drawings, the invention has been setforth in the particular detailed form which has been found to answer in practice the ends to be attained, it will be understood that these details may be variously changed and modified by the skilled mechanic, without departing from the limits of the invention. For instance, instead of feeding the supported core section up to the cutter, the latter may be fed to the core section, as long as there is'arelative feeding action between the parts which will bring the core sec Lon into engagement with the cutter. Also the annular cut made in the core section, whether internally to enlarge the bore, or externally to reduce the diameter, may be a taper out instead of a cut as herein illustrated, where the walls of the cut extend parallel to the axis of the core, and other changes may be made in the form and relation of the various operative parts, without departing from the limits of the invention, and it will be understood therefore, that the invention is not limited to any particular form or construction of the parts, except in so far as such limitations are specified in the claims.

Having thus described my invention, what I claim is:-

1. In a machine for operating on hollow core sections, the combination of a rotary cutter, a supporting member for the core section, rotatable holding means on said member adapted to support the core section with its end portion offset relative to the cutter to have an annular external out made in the side thereof, means for rotating said holding means to rotate the core section about its longitudinal axis, a positioning member carried by said supporting memher to enter the end of the supported core section, said positioning member being independent of the core holding and rotating means, and means for effecting a relative movement between the supporting member and the cutter to engage the outer side of the core section with the cutter.

2. In a machine for operating on hollow core sections, the combination of a rotary cutter, a supporting member for the core section, rotatable holding means on. said member adapted to support the core section with its end surrounding the cutter to havean internal annular'cut made in the inner, side thereof, means for rotating said holdingmeans torotate the core section about its longitudinal axis, means for moving the supporting member relative to the cutter in a direction, transversely of the longitudinal.-

axis thereof to engage the inner side of the core section with .the enclosed cutter, and an abutment fixed to and movable with the supporting member in position to engage the core section and give the same external support against the internal pressure of the cutter.

In a machine for operating on core sections, the combination of a frame, a rotary cutter mounted thereon, a slide movable on said.

frame, parallel rolls rotatably mountedon said slide to support the core section to be operated on, power means for rotating said rolls to rotate the supported core section, and means for moving the slide relative to the cutter transversely of the axis of the supported core section to engage the latter with the cutter.

4. In a machine for operating on core sections, the combination of a frame, a rotary cutter mounted thereon, a slide movable on said frame, two rolls mounted on said slide for supporting the core section to be operated on, means for rotating said rolls to thereby rotate the core section, a presser roller mounted on said slide above the supporting rolls means for positively moving the presser roller to engage the core section and press the same against the supporting rolls, whereby to rotate said section, and means for moving the slide.

5. Ina machine for operating on core sections, the combination of a frame, a rotary cutter mounted thereon, a slide movable on said frame, two rolls mounted on said slide to support the core section to be operated on, a constantly operating driving meansfor driving said supporting rolls and normally out of driving connection therewith, controlling means for con necting said driving means with the rolls, a presser roller mounted on said slide above the supporting rolls and movable to engage the core section and press the same down on the supporting rolls, means having operative cona nection with said controlling means and acting on the presser roller to operate the same when the driving means are connected with the supporting rolls, and means for moving the slide.

6. In a machine for operating on core sections, the combination of a rotary cutter, rotary rolls adapted to support the core section to be operated on, a driving belt engaging said rolls to rotate the same, a constantly rotating bodily movable driving pulley for said'belt normally against the supporting rolls, and mechanism connected operatively with the movable drivingpulley and the presser roller to operate said.

parts in coordination so as to press the core section against the supporting rolls simultaneously with the tightening of the driving belt to rotate the supporting rolls.

7.. In a machine for operating on core sections, the combination of a main frame, a rotary .cutter mounted thereon, two rotary rolls sustained by'said frame to support the core section to be operated on, a driving belt passing over said rolls and normally at rest, a presser roll movable to press the core section against the supporting rolls, a carrier for said presser roll movably mounted on the frame, a constantiy rotating driving pulley engaging the driving belt and movable bodily so as to respectively per-' mit slaclcin the belt and tighten, the same, a movable frame in which said pulley is journalled, a foot lever pivoted to the main frame, a connection between the foot lever and said movable frame, a connection between said movable frame and the presser roll carrier, whereby on the depression of thefoot lever, the belt will be tightened and rotary motion imparted to the supporting rolls, and the presser roll will be moved down on thesupporting core section, I

and means whereby on the release of the foot lever, the beltdriving, pulley will be moved to create slack in the belt, and the presser roll will be raised from the core.

8.111 a machine for operating on core sections, the combinationof a frame, a rotary cutter mounted thereon, a slide movable on said frame, two rolls rotatably mounted on said slide to support the core section to be operated on, driving means for rotating the supporting rolls, controlling means for said driving means, a presser roller mounted on the slide and movable to engage and press. the core section against the supporting rolls, and operative connections between the same and said controlling means whereby to coordinate the action of the presser EDWIN W. BEBIE. 

